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→6.2 Contact Materials and Design of Contact Components
|Sliding track: hard gold on Ni substrate Slider: AgPd alloy, (Hard silver)
|Electroplated coatings on slide tracks; clad, welded, or riveted stamping parts
|-
|Slip rings with high reliability
|Low and consistent contact resistance at low contact forces
|Brushes: Au alloys, AgPd, AgPdCu; Slip rings: Au alloys, Ag alloys (Rh); For higher currents: Ag/C brushes against Ag slip rings
|Brush wires, stamped brushes; solid, clad, or electroplated slip rings, Ag/C formed parts
|}